Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow[s] from the statements. Statements: Some stars are buttons. No buttons are clips. All buttons are ribbons. Conclusions: I. Some stars are ribbons. II. Some ribbons are buttons.
Option 1: Both conclusions (I) and (II) follow
Option 2: Only conclusion (I) follows
Option 3: Neither conclusion (I) nor (II) follows
Option 4: Only conclusion (II) follows
Correct Answer: Both conclusions (I) and (II) follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion I: Some stars are ribbons – From the Venn diagram, it is evident that the two circles representing stars and ribbons
Question : Select the most appropriate synonym of the given word.
Hesitate
Option 1: Haste
Option 2: Stumble
Option 3: Dither
Option 4: Hassle
Correct Answer: Dither
Solution : The correct choice is the third option.
Explanation: "Hesitate" and "dither" both convey a sense of indecision or uncertainty. In the context of decision-making or taking action, one might hesitate or dither before making a choice.
The meanings of the other options are as follows:
Question : In which group of the Periodic Table will you put the elements with electronic configuration [He]2s22p6?
Option 1: 8
Option 2: 6
Option 3: 18
Option 4: 10
Correct Answer: 18
Solution : The correct answer is 18.
Elements with the electronic configuration [He]2s22p6 belong to Group 18, the noble gases that are colourless, odourless, diamagnetic, and non-toxic. Neon has an electron configuration of [He]2s22p6. Noble gases have complete outer
Question : Directions: In the figure, the circle represents business people, the triangle represents the educated persons and the rectangle stands for the persons with an income of more than Rs.10000 per month. What is the number that represents educated business people with an income of more than Rs.10000 per month?
Option 1: 7
Option 2: 10
Option 3: 3
Option 4: 4
Correct Answer: 7
Solution : Educated business people with income of more than Rs.10000 per month are represented by the region common to rectangle, circle, and triangle. The required region is shaded in the Venn diagram below –
So, the number of educated business people with an income of more
Question : Directions: How many hands are hairs?
Option 2: 4
Option 3: 6
Option 4: 15
Correct Answer: 6
Solution : In the below diagram, the shaded part represents the region common to both hands and hairs as well as legs. The numbers of the asked fields that fall in the region of legs will also be counted as there is no direction given that the
Question : Directions: In the following question, two statements are given, each followed by two conclusions I and II. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statements: I. The pass percentage in the subject of Political Science is very low as compared to others in the same curriculum. II. The students who were admitted to the program did not study Political Science earlier. Conclusions: I. The foundation of the subject is very important for a student to perform well in examinations. II. Political Science is a generic subject, and students can attempt it without any problem.
Option 1: Only conclusion II follows
Option 2: Conclusion I and II both follow
Option 3: Neither I nor II follows
Option 4: Only conclusion I follows
Correct Answer: Only conclusion I follows
Solution : According to the above-given statement,
Conclusions I: The foundation of the subject is very important for a student to perform well in examinations – This conclusion logically follows from statement I. The low pass percentage in Political Science suggests that students without
Question : If TM and TN are the two tangents to a circle with centre O so that $\angle$MON = 105°, then $\angle$MTN will be equal to:
Option 1: 70°
Option 2: 60°
Option 3: 75°
Option 4: 85°
Correct Answer: 75°
Solution : Given: $\angle$MON = 105° We know, $\angle$OMT = $\angle$ONT = 90$°$ (Angle between the tangent and the radial line at the point of intersection of the tangent at the circle) Now, in quadrilateral MONT Sum of angles = 360$°$ $\angle$OMT + $\angle$ONT + $\angle$MTN +
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
He jumped off the train while it (had been running).
(1) has been running
(2) ran
(3) was running
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The third option is the correct choice.
"Had been running" should be replaced with "was running," thereby indicating that he jumped off the train while it was in the process of running. When one event is more important than another in the past, we can
Question : Directions: A boy says to a girl, "Your father's wife is the only daughter of my maternal grandmother." How is the boy related to the girl?
Option 1: Brother
Option 2: Sister
Option 3: Son
Option 4: Cousin
Correct Answer: Brother
Solution : The family tree will be –
Here, the quadrilateral represents the male and the circular figure represents the female in the figure.
So, from the above family tree, it is clear that the boy is the brother of the girl. Hence, the first option is
Question : The product of two consecutive prime numbers is 7387. What is the difference of the two numbers?
Option 1: 3
Option 3: 2
Solution : The product of two consecutive prime numbers = 7387 $86^2=7396$ is closest to 7387. So, the prime numbers close to 86 are 83 and 89, which are consecutive. 7387 = 83 × 89 $\therefore$ Difference = 89 – 83 = 6 Hence, the correct answer
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